John Deere 490E Hydraulic Excavator Owner Operator Maintenance Manual OMT152331. Serial Numbers Covered in this Manual. Manual is in good used condition. The item “John Deere 490E Hydraulic Excavator Owner Operator Maintenance Manual OMT152331″ is in sale since Friday, July 07, 2017. This item is in the category “Business & Industrial\Heavy Equipment Parts & Accs\Manuals & Books”. The seller is “manualbasket” and is located in Fairfield, Iowa. This item can be shipped worldwide.